package com.pos.app.util;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;

import android.content.Context;

/**
 * @param ASSETS_NAME
 *            ,要复制的文件名
 * @param savePath
 *            ,要保存的路径
 * @param saveName
 *            ,复制后的文件名 testCopy(Context context)是一个测试例子。
 */
public class CopyFile {
	public static void copy(Context myContext, String ASSETS_NAME,
			String savePath, String saveName) {
		String filename = savePath + "/" + saveName;
		File dir = new File(savePath);
		// 如果目录不中存在，创建这个目录
		if (!dir.exists()) {
			dir.mkdir();
		}
		try {
			if (!(new File(filename)).exists()) {
				InputStream is = myContext.getResources().getAssets()
						.open(ASSETS_NAME);
				FileOutputStream fos = new FileOutputStream(filename);
				byte[] buffer = new byte[8888];
				int count = 0;
				while ((count = is.read(buffer)) > 0) {
					fos.write(buffer, 0, count);
				}
				fos.close();
				is.close();
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	/*
	 * 获取文件路径
	 */
	public static File getFilePath(String filePath, String fileName) {
		File file = null;
		makeRootDirectory(filePath);
		try {
			file = new File(filePath + fileName);
		} catch (Exception e) {
			e.printStackTrace();
		}
		return file;
	}

	/*
	 * 若不存在就删除
	 */
	public static void makeRootDirectory(String filePath) {
		File file = null;
		try {
			file = new File(filePath);
			if (!file.exists()) {
				file.mkdir();
			}
		} catch (Exception e) {

		}
	}
}
